As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HNL - FLT 907 - THE NR 1 ENGINE MADE A LOUD BOOM AFTER ABOUT TWO HOURS OF FLIGHT. THE NOISE WAS ACCOMPANIED BY A RISE IN EGT AND A DECREASE IN EPR AND N1. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO HNL, WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED. (W)